69865880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{249521}}^1$

素因数の和:249539

約数の個数: 32

約数和(自身を含む): 179655840

約数和(自身を除く): 109789960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 249521, 499042, 998084, 1247605, 1746647, 1996168, 2495210, 3493294, 4990420, 6986588, 8733235, 9980840, 13973176, 17466470, 34932940, 69865880]

約数ペア:

[(1, 69865880), (2, 34932940), (4, 17466470), (5, 13973176), (7, 9980840), (8, 8733235), (10, 6986588), (14, 4990420), (20, 3493294), (28, 2495210), (35, 1996168), (40, 1746647), (56, 1247605), (70, 998084), (140, 499042), (280, 249521)]